/*
 * @(#)InsetsConverter.java 4/12/2005
 *
 * Copyright 2002 - 2005 JIDE Software Inc. All rights reserved.
 */
package com.element.converter.impl;

import com.element.converter.ConverterContext;

import java.awt.*;

/**
 * Converter which converts Insets to String and converts it back.
 */
public class InsetsConverter extends ArrayConverter {
	public InsetsConverter() {
		super("; ", 4, Integer.class);
	}

	public InsetsConverter(String separator) {
		super(separator, 4, Integer.class);
	}

	public String toString(Object object, ConverterContext context) {
		if (object instanceof Insets Insets) {
			return arrayToString(new Object[]{
					Insets.top, Insets.left, Insets.bottom, Insets.right
			}, context);
		} else {
			return "";
		}
	}

	public Object fromString(String string, ConverterContext context) {
		if (string == null || string.trim().length() == 0) {
			return null;
		}
		Object[] objects = arrayFromString(string, context);
		int top = 0, left = 0, bottom = 0, right = 0;
		if (objects.length >= 1 && objects[0] instanceof Integer) {
			top = (Integer) objects[0];
		}
		if (objects.length >= 2 && objects[1] instanceof Integer) {
			left = (Integer) objects[1];
		}
		if (objects.length >= 3 && objects[2] instanceof Integer) {
			bottom = (Integer) objects[2];
		}
		if (objects.length >= 4 && objects[3] instanceof Integer) {
			right = (Integer) objects[3];
		}
		return new Insets(top, left, bottom, right);
	}
}
